A study on bisphenol A (BPA) exposure has shown that people who drink from bottles made of polycarbonate may have up to 69% higher concentration of BPA in their urine, according to a study by the Harvard School of Public Health published recently in the journal Environmental Health Perspectives. The Harvard researchers, in collaboration with the Centers for Disease Control, studied the impact of cold beverage consumption from polycarbonate bottles on measurable urinary BPA concentrations among a Harvard College population. The study of 77 student volunteers...